Ghule Tushar Manohar, Phani Victor, Somvanshi Vishal Singh, Patil Maya, Bhattacharyya Somnath, Khan Matiyar Rahaman
Department of Agricultural Entomology, Bidhan Chandra Krishi Viswavidyalaya, Nadia, West Bengal, India.
Department of Agricultural Entomology, College of Agriculture, Uttar Banga Krishi Viswavidyalaya, Dakshin Dinajpur, West Bengal, India.
J Nematol. 2020 Dec 14;52. doi: 10.21307/jofnem-2020-120. eCollection 2020.
Root-knot nematodes ( spp.) infect a large number of crops including guava. We investigated a population of sp. infecting guava in the Coimbatore region of Tamil Nadu, India for identification and species confirmation. Detailed morphological and morphometric observations based on second-stage juveniles, males, females, and perineal patterns showed resemblance of the isolated population with the original and subsequent descriptions of . Isozyme analysis of the young egg-laying females displayed the characteristic esterase phenotype pattern similar to that of Additionally, the identity of the nematode population was further validated by specific SCAR marker and ITS rDNA. Recently published reports on the occurrence and morphological descriptions of from India are largely incongruent with the original and subsequent redescriptions of the species. Here, we present the most comprehensive morphology and morphometrics of an Indian population of for its authentic identification.
根结线虫（Meloidogyne spp.）感染包括番石榴在内的大量作物。我们对印度泰米尔纳德邦哥印拜陀地区感染番石榴的南方根结线虫（Meloidogyne sp.）种群进行了调查，以进行鉴定和物种确认。基于二龄幼虫、雄虫、雌虫和会阴花纹的详细形态学和形态测量学观察表明，分离出的种群与南方根结线虫（Meloidogyne incognita）的原始及后续描述相似。对年轻产卵雌虫的同工酶分析显示出与南方根结线虫（Meloidogyne incognita）相似的特征性酯酶表型模式。此外，通过南方根结线虫（Meloidogyne incognita）特异性SCAR标记和ITS rDNA进一步验证了线虫种群的身份。最近发表的关于印度南方根结线虫（Meloidogyne incognita）发生情况和形态学描述的报告与该物种的原始及后续重新描述在很大程度上不一致。在此，我们展示了印度南方根结线虫（Meloidogyne incognita）种群最全面的形态学和形态测量学特征，以便进行准确鉴定。
